Technique / ScrollMask

Move the document, not the viewport

Land on a result while retaining orientation.

Run the original

6.2 s · 30 fps · silent

Original neutral assets · 6.2 seconds · phase values are chosen defaults, not source timings.

npm run render -- ScrollMask out/ScrollMask.mp4 --codec=h264 --muted

Download the complete pinned project · Inputs, phase meanings & full source code

Official source / inspected interval

Make information visual with ChatGPT

Watch the official OpenAI upload ↗ · Published 2026-08-24T16:09:56-07:00

Inspected 44–49 s. Consecutive subset: 46.75–48.25 s, 36 frames. Dates come from the official watch-page publication field.

Partial result below the request at source 44.002292 seconds — 44.002292 s · Partial result below the request

Content before the main upward travel at source 46.713333 seconds — 46.713333 s · Content before the main upward travel

Calendar rises; header and inset remain at source 47.172125 seconds — 47.172125 s · Calendar rises; header and inset remain

Destination occupies most of the viewport at source 48.089708 seconds — 48.089708 s · Destination occupies most of the viewport

Source: OpenAI. Bounded excerpt and annotated stills for the analysis below; not included in the project download.

What changes across the edit

Shot boundary: Continuous content scrolling within the inspected native window; no scene cut is inferred from large pixel changes.
Framing: A calendar rises into view. Outer window title and presenter inset stay in frame space.
Layer ownership: Scrollable document under a clipped viewport, fixed header, fixed inset.
Motion: Upward content movement brings the calendar into view, then slows and leaves the calendar available.
Typography: Text moves with the document; no simultaneous reading task is added during travel.
Action order: Request and partial calendar → scroll → calendar fills viewport → reading.
Pacing & readable holds: The calendar is substantially exposed by 47.631 s and remains through 48.965 s. Residual document motion is visible; this is not an exact zero-motion hold.

Recreation versus observation

Matches

Fixed viewport and header with content-only translation and a protected destination hold.

Differs

Original catalog instead of calendar; chosen 360 px offset and easing. The example fully stops the document and does not include a person.

Measured

36 consecutive frames within 46.750–48.250 s.

Inferred

The landing establishes the result; source scroll physics are not recovered.

Chosen defaults

All Remotion phase frames, cubic Bézier (.16,1,.3,1), geometry, colors, font choice and reading holds are chosen defaults. None is a recovered OpenAI specification.

{
  "title": "Make room for the idea.",
  "prompt": "Arrange a small exhibition.",
  "result": "Three studies, ready to compare.",
  "label": "EXHIBITION / 03",
  "accent": "#40685b",
  "action": 30,
  "change": 84,
  "settle": 96,
  "hold": 90,
  "focusX": 0.66,
  "focusY": 0.64,
  "zoom": 1.55
}

Increase hold to extend only the final quiet state. Change the phase frames to change choreography; preserve their ordering. Content limits and the exact meaning of each phase are in the handoff.

Exact original geometry, layer ownership and asset contracts · Schedule against an actual recording